Home / 9,623.94-13,281.09-5,645.13

Finding the Fourth Proportional to 9,623.94, 13,281.09 and 5,645.13

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Solution

The fourth proportional to 9,623.94, 13,281.09 and 5,645.13 is: 7,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.94 : 13,281.09 = 5,645.13 : x
  2. Step 2: Convert to fraction form
    9,623.94/13,281.09 = 5,645.13/x
  3. Step 3: Cross multiply
    9,623.94x = 13,281.09 × 5,645.13
  4. Step 4: Simplify right side
    9,623.94x = 74,973,479.59
  5. Step 5: Solve for x
    x = 74,973,479.59/9,623.94
  6. Step 6: Final answer
    x = 7,790.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.